/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package org.apache.linkis.engineconnplugin.flink.util

import java.text.NumberFormat

import org.apache.linkis.common.conf.CommonVars


object FlinkValueFormatUtil {

  val FLINK_NF_FRACTION_LENGTH = CommonVars("wds.linkis.engine.flink.fraction.length", 30)

  private val nf = NumberFormat.getInstance()
  nf.setGroupingUsed(false)
  nf.setMaximumFractionDigits(FLINK_NF_FRACTION_LENGTH.getValue)

  def formatValue(value: Any): Any = value match {
    case value: String => value.replaceAll("\n|\t", " ")
    case value: Double => nf.format(value)
    case value: Any => value.toString
    case _ => null
  }

}
